package edu.hqu.deepspace.service;

import edu.hqu.deepspace.pojo.Order;
import edu.hqu.deepspace.pojo.User;

import java.util.List;

public interface UserService {
    int addUser(User user);

    int deleteUser(String uid);

    int updateUser(User user);

    List<User> queryUser();

    User queryUserById(String uid);
}
